TEXAS · WELLS · MARTIN COUNTY · CAMPBELL EAST 9-321 C LEASE · API 42-317-46679 · DISTRICT 7B

Campbell East 9-321 C #1WB

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

Campbell East 9-321 C #1WB (API 42-317-46679) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed October 1, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued February 18, 2025, permitted to 9,763 ft.

Completion filings report 10 formation tops, including Glorieta, Clear Fork, Spraberry, Dean.

Its lease has reported 176K barrels of oil and 241K mcf of gas since October 2025, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 4, 2026
Permits on file
5,237
Phone
(432) 221-7400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitDiamondback E&P LLCFeb 18, 2025
9,763
total depth, ft
2
permits on file
Feb 18, 2025
last permit issued
Oct 1, 2025
completed
176K
cumulative oil, bbl
241K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 1, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

Surface location

32.323239, -102.017689

Google Maps ↗

Permit surface location from the RRC GIS record, in Martin County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Campbell East 9-321 C O-10-65015Spraberry (Trend Area)Diamondback E&P LLC1176K241KOct 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 175,974 · prior 12 0

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 240,747 · prior 12 0

020K40K60K202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Diamondback E&P LLCOct 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
905925-98DrillDiamondback E&P LLCFeb 23, 2026Feb 18, 2025Mar 12, 202513,000
905925-99DrillDiamondback E&P LLCFeb 13, 2025Feb 18, 2025Mar 12, 202513,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 1, 2025Campbell East 9-321 C O-10-65015Spraberry (Trend Area)Diamondback E&P LLCProducing9,763

Formation tops

As filed on W-2/G-1. Subsea from 2,843 ft elevation.Download CSV →

FormationMD ftSubsea
Glorieta5,555-2,712
Clear ForkCLEARFORK6,523-3,680
Spraberry7,910-5,067
Dean9,197-6,354
Wolfcamp9,448-6,605
Grayburg——
Queen——
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H——
Santa Rosa——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
10,37423,661Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,97117.51,835 S
8.6259,404111,370 S
5.523,7097.8752,990 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jun 5, 2026Apr 21, 2026Yes

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Campbell East 9-321 D42-317-46680

0.0 KM · Diamondback E&P LLC · Section with this well →

Glorieta5,565-2,722
Clear Fork6,518-3,675
Spraberry7,897-5,054
Dean9,197-6,354
Wolfcamp9,488-6,645
Grayburg—
Yates—
Queen—

10 TOPS · FIRST 8

Campbell East 9-321 A42-317-46673

0.0 KM · Diamondback E&P LLC · Section with this well →

San Andres5,556-2,712
Clear Fork6,540-3,696
Spraberry7,948-5,104
Cisco—
Yates—
Wolfcamp—
Santa Rosa—
Queen—

10 TOPS · FIRST 8

Campbell East 9-321 E42-317-46681

0.0 KM · Diamondback E&P LLC · Section with this well →

San Andres5,563-2,720
Spraberry7,895-5,052
Yates—
Dean—
Grayburg—
Wolfcamp—
Queen—
Santa Rosa—

10 TOPS · FIRST 8

Cox 9-12 Unit 242-317-41231

0.5 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,840
Yates1,2501,590
Queen1,3001,540
Grayburg4,395-1,555
San Andres4,615-1,775
Cisco5,005-2,165
Spraberry7,888-5,048
Dean9,175-6,335

10 TOPS · FIRST 8

Cox 9-12 Unit 242-317-41230

0.5 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,840
Yates1,2501,590
Queen1,3001,540
Grayburg4,395-1,555
San Andres4,615-1,775
Cisco5,260-2,420
Spraberry7,888-5,048
Dean8,693-5,853

10 TOPS · FIRST 8

Cox 9-12 Unit 242-317-41229

0.5 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,840
Yates1,2501,590
Queen1,3001,540
Grayburg4,395-1,555
San Andres4,615-1,775
Cisco5,260-2,420
Spraberry7,888-5,048
Dean9,178-6,338

10 TOPS · FIRST 8

Cox 9-12 Unit 242-317-41228

0.5 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,840
Yates1,2501,590
Queen1,3001,540
Grayburg4,395-1,555
San Andres4,615-1,775
Cisco5,260-2,420
Spraberry7,888-5,048
Dean9,178-6,338

10 TOPS · FIRST 8

Cox 9-12 Unit 242-317-41226

0.5 KM · Endeavor Energy Resources L.P. · Section with this well →

Santa Rosa1,0001,840
Yates1,2501,590
Queen1,3001,540
Grayburg4,395-1,555
San Andres4,615-1,775
Cisco5,260-2,420
Spraberry7,888-5,048
Dean9,178-6,338

10 TOPS · FIRST 8

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/31746679, documented in the API reference.